3 column footer problem

[SteeleR]

http://89.215.52.231/templates/25/page4.html

here is the template... the footer in FF/Safari is right after the second column, however the 3rd is longer.. i've tried using <div class="clear"></div> but it's not helping..

here is the css:
http://89.215.52.231/templates/25/style.css

Thanks for the help beforehand..